Gemini季铵盐
Gemini quaternary ammonium salts
N-三甲基壳聚糖季铵盐
N-tri-methyl quaternary ammonium salt of chitosan
N-trimethylchitosan quaternary ammonium salt
N-手性季铵盐
N-stereogenic quaternary ammonium salt
O-羧甲基－N-三甲基壳聚糖季铵盐
O-carboxymethyl-N-trimethylchitosan Quaternary amm
O-carboxymethyl-N-trimethylchitosan quaternary ammonium salt
UV固化季铵盐
UV-curable quaternary ammonium salts
铵盐检查法
limit test for ammonium salt
铵盐稀土交换
Ammonium Salt and Rare Earth Exchange
铵盐循环法
ammonium recycle processes
ammonium salt circulation process
铵盐再生
ammonia salt regeneration
吡啶卟啉季铵盐
Pyridine porphyrin quaternary ammonium salts
吡啶季铵盐
Quaternary pyridinium
pyridine quaternary ammonium salt
Quaternary pyridine salt
吡啶类季铵盐
pyridine quaternary ammonium salts